title: [Preliminary observations on the concentration of trace elements in the hair of the aged (author's transl)].
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D003300:Copper / Q000032:analysis; D004787:Environmental Pollution; D005260:Female; D006197:Hair / Q000032:analysis*; D006801:Humans; D008297:Male; D014131:Trace Elements / Q000032:analysis*; D015032:Zinc / Q000032:analysis
chemical_list: D014131:Trace Elements; D003300:Copper; D015032:Zinc